diff -r 000000000000 -r 164170e6151a securitydialogs/Autolock/src/AutoLockValueObserver.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/securitydialogs/Autolock/src/AutoLockValueObserver.cpp	Tue Jan 26 15:20:08 2010 +0200
@@ -0,0 +1,131 @@
+/*
+* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*		Observer for phone events. Used to deactive/active the side-key
+*
+*
+*/
+
+
+#include    <e32property.h>
+#include	<PSVariables.h>
+#include <ctsydomainpskeys.h>
+#include	"AutolockAppUiPS.h"
+#include	"AutoLockValueObserverPS.h"
+
+
+// ================= MEMBER FUNCTIONS =======================
+//
+// ----------------------------------------------------------
+// CValueObserver::NewL()
+// Constructs a new entry with given values.
+// ----------------------------------------------------------
+//
+CValueObserver* CValueObserver::NewL(CAutolockAppUi* aAppUi)
+    {
+    CValueObserver* self = new (ELeave) CValueObserver(aAppUi);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop();
+    return self;
+    }
+//
+// ----------------------------------------------------------
+// CValueObserver::CValueObserver()
+// Destructor
+// ----------------------------------------------------------
+//
+CValueObserver::~CValueObserver()
+    {
+    Cancel();
+    }
+//
+// ----------------------------------------------------------
+// CValueObserver::Start()
+// Starts listening KUidCurrentCall event  
+// ----------------------------------------------------------
+//
+TInt CValueObserver::Start()
+    {
+    if (IsActive())
+        return KErrInUse;
+    iStatus = KRequestPending;
+    iProperty.Attach(KPSUidCtsyCallInformation, KCTsyCallState); 
+    iProperty.Subscribe(iStatus);
+    SetActive();
+    return KErrNone;
+    }
+//
+// ----------------------------------------------------------
+// CValueObserver::Stop()
+// Stops listening KUidCurrentCall event 
+// ----------------------------------------------------------
+//
+void CValueObserver::Stop()
+	{
+	Cancel();
+	}
+//
+// ----------------------------------------------------------
+// CLockObserver::CLockObserver()
+// C++ constructor
+// ----------------------------------------------------------
+// 
+CValueObserver::CValueObserver(CAutolockAppUi* aAppUi) : CActive(0), iAppUi(aAppUi)
+	{                            
+    }
+//
+// ----------------------------------------------------------
+// CLockObserver::ConstructL()
+// Symbian OS default constructor
+// ----------------------------------------------------------
+// 
+void CValueObserver::ConstructL()
+    {
+    // Add this active object to the scheduler.
+	CActiveScheduler::Add(this);	
+    }
+//
+// ----------------------------------------------------------
+// CValueObserver::RunL()
+// 
+// ----------------------------------------------------------
+// 
+void CValueObserver::RunL()
+	{
+    TInt callState;
+    iProperty.Get( callState );
+    if (callState == EPSCTsyCallStateNone && !iAppUi->IsForeground())
+        {
+		// app back to foreground
+		iAppUi->BringAppToForegroundL();
+		}
+    else
+		{
+		Start();
+		}
+	
+	}
+//
+// ----------------------------------------------------------
+// CValueObserver::DoCancel()
+// Cancels event listening
+// ----------------------------------------------------------
+// 
+void CValueObserver::DoCancel()
+    {
+    iProperty.Cancel();
+    }
+
+// End of file